百度试题 结果1 题目Which of the following numbers is a factor of 55?( B.7 C.3 D.6 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
4 is a factor,25!=4*1*2*3*5*6*...*25 25!指的是25阶乘=25*24*...*1 5显然是factor 6,7,8,9,10,...,25显然都是factor 26=2*13也是 27=3*3*3，25!中有3和9，所以也是factor 28=4*7,factor 29是prime 30=3*10 31prime 32=4*8,factor 33=3*11,factor 34=2*17,...
结果1 题目Among the following numbers, which one is not a factor of 30? A. 5 B. 7 C. 6 D. 10 相关知识点: 试题来源: 解析 B。30 除以 5 等于 6,30 除以 6 等于 5,30 除以 10 等于 3,都没有余数,所以 5、6、10 是 30 的约数。30 除以 7 有余数,所以 7 不是 30 的约数。
百度试题 结果1 题目35.is a factor of every even number. B A. 7 B. 2 C. 10 D. 3 相关知识点: 试题来源: 解析 B 反馈 收藏
(1)Is 7 a factor of 21?A.YesB.No(2)Is 15 a factor of 85?A.YesB.No(3)Is 13 a factor of 91?A.YesB.No A. Nothing can excite New Yorkers. B. New Yorkers are hard to be attracted. C. There are no actors or stars in New York. D. Paparazzi photographers are popular in ...
这个质数既是30的一个因数也是42的一个因数。这个数应该是6吧 不对，质数的话应该是2或者3吧
结果1 题目If p is the smallest prime factor of511, then( ). A. 18⩽p⩽23 B. 10⩽p⩽17 C. 3⩽p⩽9 D. none of these 相关知识点: 试题来源: 解析C511=7×73,so3⩽p⩽9.如果p是511的最小的质因数,那么( ).A.18⩽p⩽23B.10⩽p⩽17C.3⩽p⩽9D.没有选...
翻译：如果n和m是正整数，m是62的因子，那么 62=2x31 m is a factor of 62,=> m=1 or 2, or 31 or 62 n and m are positive integers 3n= 36/m m=1 =>n=12 m=2, =>n=6 m=31, =>n= 12/11 ( rej )m=62, =>n=6/31 (rej)the greatest possible number of integers...
百度试题 结果1 题目5 Is 3 a factor of 12? 相关知识点: 试题来源: 解析 12 can be divided exactly by 3 . So, 3 is a factor of 12 . 反馈 收藏
结果1 题目1 5 is a factor of 20.(a) Write down another factor of 20.one from 1 2 4 10 20(a)...[1](b) Write down a multiple of 20.any multiple of 20(b).[1] 相关知识点: 试题来源: 解析 one from 1 2 4 10 20any multiple of 20 反馈 ...